Debian Administrator

1. Kernel-Level Vulnerability Dirty COW Dirty Cow Vulnerability. The COW mechanism of the Linux kernel memory subsystem competes with memory writes, causing read-only memory pages to be tampered with. Impact: Linux kernel> = 2.6.22 Vulnerability Affected: Low privilege Users can write to this read-only memory page (including a file read-only to this user on a writable file system) and to root PoC Reference: https://github.com/dirtycow/di ...

Usermin 1.480 This version contains Address book import support to prevent the message from appearing as an inline picture, setting more sensible automatic reply defaults to prevent mail loops and increasing the German translation update. Usermin is a web interface that can be easily used by any user on UNIX systems to read messages, set up SSH, or configure mail forwarding. It can be seen as a webmin simplified ordinary user rather than http://www.aliyun.com/zixun/aggregati ...

Webmin 1.560 This layout has some major updates including translation updates, network bridging support, a new text login module no longer requires Java support, GPT support large hard drives, support CentOS 6, and so on. Webmin is currently the most powerful web-based UNIX system management tool. Administrator through the browser to access webmin of the various http://www.aliyun.com/zixun/aggregation/17569.html "> Tube ...

This means that as long as the virtual machine shuts down, the user will not be able to deal with the data in the virtual machine unless it is back in front of the VirtualBox host and is directly operational. Such a problem will no longer exist in the future, as the tool named Remotebox is the best helper to solve related problems. Configure Vboxheadless Connect your virtual machine What is headless Mode headless mode is a configuration mode of the system. In this mode, the system is missing the display device ...

Z1 securemail http://www.aliyun.com/zixun/aggregation/29846.html ">messenger a secure e-mail exchange server-based software solution. It makes it possible for everyone in every place to communicate securely. It is a fully transparent sender as an SMTP proxy. Provides an encrypted PDF file as a message or information stored on the server via the front end of the network. Recpient software that can be read ...

This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

In http://www.aliyun.com/zixun/aggregation/33836.html ">debian/ubuntu Linux, the UPDATE-RC.D command replaces Chkconfig as the default edit/ ETC/INIT.D a script-linked package. Unfortunately, the tool is used primarily for editing service links that are currently installed or removed, while the editing of links to existing packages is poorly supported. Fortunately, it's almost consistent with the Chkconfig grammar ...

Eucalyptus Elastic Utility Computing architecture for linking Your Programs to useful Bae (Eucalyptus) is an open source software infrastructure, Used to compute the flexible, practical cloud computing of a cluster or workstation cluster. It was originally a research project at the University of California at Santa Barbara School of Computer Science, ...

OSCON is another year, in this year's technology, cloud infrastructure has become the focus of public attention. The most interesting is the Docker, which is just beginning to start, this is a full potential of ultra-lightweight container applications. I am fascinated by James Turnbull, Docker's vice president of services, where he will bring a crash course to Docker. In addition to exploring the nature of Docker, we will also discuss the contributions of the cloud and open source. Have you ever published a book on different linux, how do you explore the beginning ...

IBM Smartcloud™init (an IBM SmartCloud support package) is the first startup script developed from an Open-source cloud-init package. It was originally developed in the form of icon bundle in the integration context between Image construction and composition Tools (icon) and IBM SmartCloud Provisioning 1.2 ...